MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV and an ML classifier as malicious, with heuristics indicating it functions as a link farm on disposable hosting. While no scripts were extracted, the presence of numerous external URLs, many with unknown reputations, suggests a phishing or malware distribution attempt. The document body is heavily obfuscated, preventing analysis of its specific content or intent beyond the link farm heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.gyndoktors.de/ckfinder/userfiles/files/45857709140.pdf In PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/nusatiloturevabiforine.pdfIn PDF document text
- https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/25692064737.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/buvewitam.pdfIn PDF document text
- http://packturf.fr/files/92783285803.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/65813630043.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/tupapememezapiteto.pdfIn PDF document text
- https://drddvichitra.com/userfiles/file/32219439010.pdfIn PDF document text
- http://alburigiott.it/userfiles/files/44223431916.pdfIn PDF document text
- http://agilesolutions.in/uploads/xawidujopiweta.pdfIn PDF document text
- https://coverline.ro/userfiles/file/pimedidedobizusuwozezu.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/91029049457.pdfIn PDF document text
- http://homeloanz.net/images/e/file/xuziruveberani.pdfIn PDF document text
- http://dierenwinkelindex.nl/images/uploads/xixoruvupupatibefejeven.pdfIn PDF document text
- https://letstravelforacause.com/miet/assets/files/gexuloxozemebaviwowolu.pdfIn PDF document text
- http://volareinmongolfiera.it/userfiles/files/xilakafuguzu.pdfIn PDF document text
- http://kokocurry.gm/userfiles/file/58304267022.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/80906398485.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613168b4910ec---96664647249.pdfIn PDF document text
- http://frangarcia.eu/upload/file/81409850239.pdfIn PDF document text
- http://pincesorvarshop.hu/editor_up/zajuvarikifudikabar.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/torasugosipaxevatebu.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021090516272754.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/biwabes.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+move+files+from+internal+memory+to+sd+cardPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c44e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC44E | 19048 bytes |
SHA-256: 78c0f3902d36ba771e1bfe7045b42aa1a65325e9eb41e86c5ce4a995cf0da45a |
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font_01_sfnt_off0000f565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF565 | 10892 bytes |
SHA-256: 4845aed09d795d1a46e63bde40fabf657b269e341cde6c42e5a4191d77a14da0 |
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font_02_sfnt_off00010ea2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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